/*
 * Copyright (C) 2008 Search Solution Corporation. All rights reserved by Search Solution. 
 *
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met: 
 *
 * - Redistributions of source code must retain the above copyright notice, 
 *   this list of conditions and the following disclaimer. 
 *
 * - Redistributions in binary form must reproduce the above copyright notice, 
 *   this list of conditions and the following disclaimer in the documentation 
 *   and/or other materials provided with the distribution. 
 *
 * - Neither the name of the <ORGANIZATION> nor the names of its contributors 
 *   may be used to endorse or promote products derived from this software without 
 *   specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
 * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
 * OF SUCH DAMAGE. 
 *
 */

package cubrid.jdbc.driver;

import java.util.*;

abstract public class CUBRIDKeyTable
{
  public static final String sessionKeyName = "CUBRIDConnectionKey";

  static private Hashtable ht;

  static
  {
    ht = new Hashtable();
  }

  public static void putValue(String key, CUBRIDConnectionKey value)
  {
    synchronized (ht)
    {
      ht.put(key, value);
    }
  }

  public static void putValue(CUBRIDConnectionKey value)
  {
    putValue(Thread.currentThread().getName(), value);
  }

  public static CUBRIDConnectionKey getValue()
  {
    return (getValue(Thread.currentThread().getName()));
  }

  public static CUBRIDConnectionKey getValue(String key)
  {
    synchronized (ht)
    {
      return ((CUBRIDConnectionKey) (ht.get(key)));
    }
  }

  public static void removeValue(String key)
  {
    synchronized (ht)
    {
      ht.remove(key);
    }
  }

  public static void removeValue()
  {
    removeValue(Thread.currentThread().getName());
  }
}
